:root {
    --background-color: #f0f0f0;
    --game-background: #ffffff;
    --text-color: #1a1a1a;
    --tile-border-color: #d3d6da;
    --key-background: #d3d6da;
    --correct-color: #6aaa64;
    --present-color: #c9b458;
    --absent-color: #787c7e;
}

html {
    overscroll-behavior-y: contain;
}

body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0 0 80px 0;
    background-color: var(--background-color);
    color: var(--text-color);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100dvh;
    max-width: 100dvw;
    font-size: 16px;
    touch-action: manipulation;
}

.game-wrapper {
    background-color: var(--game-background);
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    padding: 20px;
    max-width: 500px;
    width: 100%;
    box-sizing: border-box;
    touch-action: manipulation;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

h1 {
    margin: 0;
    font-size: 1.75rem;
    font-weight: bold;
}

.button-container {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
}

#game-board {
    display: grid;
    grid-template-rows: repeat(6, 1fr);
    gap: 5px;
    margin-bottom: 20px;
    max-width: 90dvw;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
}

.word-row {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 5px;
}

.letter-box {
    aspect-ratio: 1;
    border: 2px solid var(--tile-border-color);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    font-weight: bold;
    text-transform: uppercase;
}

#keyboard {
    display: flex;
    flex-direction: column;
    gap: 6px;
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
}

.keyboard-row {
    display: flex;
    justify-content: center;
    gap: 4px;
}

.key {
    flex: 1;
    height: 58px;
    min-width: 43px;
    border: none;
    border-radius: 4px;
    background-color: var(--key-background);
    font-size: 0.9rem;
    font-weight: bold;
    text-transform: uppercase;
    cursor: pointer;
    color: var(--text-color);
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    touch-action: manipulation;
}

#enter, #backspace {
    flex: 1.5;
    font-size: 0.8rem;
}

.correct {
    background-color: var(--correct-color);
    border-color: var(--correct-color);
    color: white;
}

.present {
    background-color: var(--present-color);
    border-color: var(--present-color);
    color: white;
}

.absent {
    background-color: var(--absent-color);
    border-color: var(--absent-color);
    color: white;
}

#new-game-btn, #stats-button, #scoring-rules-btn {
    padding: 10px 20px;
    font-size: 0.9rem;
    font-weight: bold;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

#new-game-btn {
    background-color: var(--correct-color);
}

#stats-button {
    background-color: #6aaa64;
}

#scoring-rules-btn {
    background-color: #4a90e2;
}

#new-game-btn:hover, #stats-button:hover {
    background-color: #5e955b;
}

#scoring-rules-btn:hover {
    background-color: #3a7bc8;
}

#message-area {
    min-height: 40px;
    text-align: center;
    margin: 10px 0;
    font-size: 0.9rem;
    color: #333;
    background-color: #f0f0f0;
    border-radius: 5px;
    padding: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

#message-area:not(:empty) {
    border-left: 4px solid #4a90e2;
}

#message-area.error {
    color: #d63031;
    background-color: #ffe6e6;
    border-left-color: #d63031;
}

#message-area.success {
    color: #27ae60;
    background-color: #e6ffe6;
    border-left-color: #27ae60;
}

@keyframes flip {
    0% { transform: rotateX(0deg); }
    50% { transform: rotateX(90deg); }
    100% { transform: rotateX(0deg); }
}

.flip {
    animation: flip 0.5s ease;
}

.modal {
    display: none;
    position: fixed;
    z-index: 1;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    overflow: hidden;
}

.modal-content {
    background-color: #fff;
    border-radius: 10px;
    padding: 20px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.2);
    position: relative;
    animation: slide-in 0.3s ease-out;
    margin: 20px auto;
    max-height: calc(100% - 40px);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.modal-content h2 {
    margin-bottom: 20px;
    font-size: 1.5rem;
    color: #333;
}

#stats-container {
    overflow-y: auto;
    max-height: calc(100vh - 180px);
    padding-right: 10px;
}

#stats-container p, #scoring-rules-content p {
    margin: 10px 0;
    font-size: 1rem;
    color: #666;
}

.close {
    color: #aaa;
    font-size: 30px;
    font-weight: bold;
    position: absolute;
    right: 20px;
    top: 10px;
    cursor: pointer;
    transition: color 0.3s ease;
}

.close:hover,
.close:focus {
    color: #000;
    text-decoration: none;
}

@keyframes slide-in {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.stats-summary {
    position: sticky;
    top: 0;
    background-color: #fff;
    z-index: 1;
    padding-bottom: 10px;
    margin-bottom: 10px;
    border-bottom: 1px solid #ddd;
}

.stats-table-container {
    overflow-x: auto;
}

.stats-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin: 20px 0;
    font-size: 1rem;
    text-align: center;
}

.stats-table thead {
    position: sticky;
    top: 0;
    background-color: #6aaa64;
    z-index: 1;
}

.stats-table th, .stats-table td {
    border: 1px solid #ddd;
    padding: 8px;
}

.stats-table tr:nth-child(even) {
    background-color: #f9f9f9;
}

.stats-table th {
    padding-top: 12px;
    padding-bottom: 12px;
    background-color: #6aaa64;
    color: white;
    font-weight: bold;
}

.stats-table td {
    color: #333;
}

.stats-table p {
    font-weight: bold;
}

.stats-table .best-game {
    background-color: rgba(106, 170, 100, 0.2);  /* Light green */
}

.stats-table .worst-game {
    background-color: rgba(220, 20, 60, 0.2);  /* Light crimson */
}

.stats-table .best-game td,
.stats-table .worst-game td {
    font-weight: bold;
}

.stats-table .best-game::after,
.stats-table .worst-game::after {
    content: '';
    position: absolute;
    left: 0;
    width: 4px;
    height: 100%;
}

.stats-table .best-game::after {
    background-color: #6aaa64;  /* Green */
}

.stats-table .worst-game::after {
    background-color: #dc143c;  /* Crimson */
}

.stats-table tr {
    position: relative;
}

#scoring-rules-content {
    text-align: left;
    padding: 0 20px;
}

#scoring-rules-content ul {
    list-style-type: disc;
    padding-left: 20px;
}

#scoring-rules-content li {
    margin-bottom: 10px;
}

.stats-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 15px;
}

.stat-item {
    text-align: center;
    flex: 1;
}

.stat-label {
    display: block;
    font-size: 0.9em;
    color: #666;
    margin-bottom: 5px;
}

.stat-value {
    display: block;
    font-size: 1.2em;
    font-weight: bold;
    color: #333;
}

h3 {
    margin-top: 30px;
    margin-bottom: 15px;
    color: #333;
}

@media (max-width: 600px) {
    body {
        padding: 0;
        min-height: 100dvh;
        max-height: 100dvh;
        overflow: hidden;
    }

    .game-wrapper {
        padding: 10px;
        height: 100dvh;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        border-radius: 0;
        box-shadow: none;
    }

    header {
        margin-bottom: 5px;
    }

    h1 {
        font-size: 1.5rem;
    }

    .button-container {
        margin-bottom: 5px;
    }

    #game-board {
        margin-bottom: 5px;
        flex-grow: 1;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }

    .letter-box {
        font-size: 1.2rem;
    }

    #keyboard {
        margin-top: 5px;
    }

    .key {
        font-size: 0.8rem;
        height: 40px;
        min-width: 20px;
    }

    #enter, #backspace {
        font-size: 0.6rem;
    }

    #new-game-btn, #stats-button, #scoring-rules-btn {
        padding: 8px 12px;
        font-size: 0.8rem;
    }

    #message-area {
        font-size: 0.8rem;
        min-height: 30px;
        margin: 5px 0;
        padding: 8px;
    }

    .modal-content {
        width: 95%;
        height: 100%;
        max-height: none;
        margin: 0;
        border-radius: 0;
        padding: 15px;
    }

    #stats-container {
        max-height: calc(100vh - 140px);
        padding-right: 5px;
    }

    .stats-summary {
        padding-bottom: 5px;
        margin-bottom: 5px;
    }

    .stats-row {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: space-between;
    }

    .stat-item {
        width: 48%;
        margin-bottom: 10px;
    }

    .stat-label {
        font-size: 0.8em;
    }

    .stat-value {
        font-size: 1em;
    }

    .stats-table {
        font-size: 0.7rem;
    }

    .stats-table th, .stats-table td {
        padding: 4px 2px;
    }

    .stats-table th {
        white-space: nowrap;
    }

    h3 {
        font-size: 1.2em;
        margin-top: 15px;
        margin-bottom: 10px;
    }
}

@media (max-width: 350px) {
    .stat-item {
        width: 100%;
    }

    .stats-table {
        font-size: 0.6rem;
    }
}

@supports (padding: max(0px)) {
    body {
        padding-bottom: max(70px, env(safe-area-inset-bottom));
    }
}